Easy and Professional Multi-Brand Car Diagnostic Tool

 

Order Now

 

P1623 – MAZDA

Code : P1623
Make : MAZDA
Description : P1623 MAZDA Engine Control Module Immobilizer Read / Write Error EEPROM Damaged
Possible causes :
– Faulty Engine Control Module (ECM)
– Engine Control Module (ECM) harness is open or shorted
– Engine Control Module (ECM) circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published.

Scroll to Top